Time/event: repeat task every not show

[Infosoporte]

Hello
Repeat task every hours

I want to make differential backups, which are repeated every hour.
Why is it not available?
Tanks!!
Manual R-Drive Image

manual.PNG

In my R-Drive Image it is not shown

tarea.PNG

[Alt]

In the English version:
The Time/Event panel.
Perform this task: Once
Start time: any
Repeat this task every: 1 hour.

[Infosoporte]

Thanks for answering.
If I put it in "Once" I have fewer options

once.PNG

[Alt]

Your version is very very outdated.

[Infosoporte]

Thanks